Home / 35,788.42-49,389.53-19,872.84

Finding the Fourth Proportional to 35,788.42, 49,389.53 and 19,872.84

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Solution

The fourth proportional to 35,788.42, 49,389.53 and 19,872.84 is: 27,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.42 : 49,389.53 = 19,872.84 : x
  2. Step 2: Convert to fraction form
    35,788.42/49,389.53 = 19,872.84/x
  3. Step 3: Cross multiply
    35,788.42x = 49,389.53 × 19,872.84
  4. Step 4: Simplify right side
    35,788.42x = 981,510,425.00
  5. Step 5: Solve for x
    x = 981,510,425.00/35,788.42
  6. Step 6: Final answer
    x = 27,425.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.